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Finding the Third Proportional to 3,330,920 and 7,167,036

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Solution

The third proportional to 3,330,920 and 7,167,036 is: 15,421,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330,920 : 7,167,036 = 7,167,036 : x
  2. Step 2: Convert to fraction form
    3,330,920/7,167,036 = 7,167,036/x
  3. Step 3: Cross multiply
    3,330,920x = 7,167,036 × 7,167,036
  4. Step 4: Simplify right side
    3,330,920x = 51,366,405,025,296
  5. Step 5: Solve for x
    x = 51,366,405,025,296/3,330,920
  6. Step 6: Final answer
    x = 15,421,086.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.